#include <jni.h>
#include "com_jni_HelloWorld.h"
#include <stdio.h>
JNIEXPORT void JNICALL Java_com_jni_HelloWorld_display
(JNIEnv *env, jobject obj)
{
    printf("From com_jni_HelloWorld.cpp :");
    printf("Hello world ! \n");
    return;
}